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GET /v1/holding

Capstan holding & pulling force

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/capstan-api

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Code snippets

curl "https://api.oanor.com/capstan-api/v1/holding" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/capstan-api/v1/holding", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/capstan-api/v1/holding");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/capstan-api/v1/holding",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "turns": 3,
        "load_n": 1000,
        "formula": "hold = Load·e^(−μβ); pull = Load·e^(+μβ).",
        "tension_ratio": 43.37621218,
        "wrap_angle_deg": 1080,
        "wrap_angle_rad": 18.84955592,
        "holding_force_n": 23.054111,
        "pulling_force_n": 43376.212176,
        "friction_coefficient": 0.2,
        "mechanical_advantage": 43.376212
    },
    "meta": {
        "timestamp": "2026-06-04T10:18:40.020Z",
        "request_id": "446af093-7862-4197-9a88-761e9c511298"
    },
    "status": "ok",
    "message": "Capstan holding & pulling force",
    "success": true
}